Great dancers are not great because of their technique, they are great because of their passion.

在数学中，最简单的问题往往导致最深刻的发现。

出自先秦《荀子·儒效》。对于所知道的东西就说知道，不知道的就说不知道；这样，对内是不欺骗自己的良心，对外是不欺骗他人。说明为人应当诚实的道理。

All our dreams can come true if we have the courage to pursue them.